Encoder optical module



FIG. 1 is a top, right, and front perspective view of an encoder optical module, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof, with the rear elevational view being a mirror image thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a right side elevational view thereof, with the left side elevational view being a mirror image thereof.

All broken lines shown in the figures represent environmental structures and form no part of the claimed design of the present invention. 

CLAIM The ornamental design for an encoder optical module, as shown and described. 